Electric coffee maker



FIG. 1 is a front, top and left side perspective view of an electric coffee maker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof from the right of FIG. 2.

FIG. 5 is a side elevational view thereof from the left of FIG. 2;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an electric coffee maker, as shown. 